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| Presentation | 2016-10-14 14:30 Study on speech transmission index using models of modulation transfer function Yuta Kashihara, Masashi Unoki (JAIST)  EA2016-33 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Room impluse response (RIR) is composed of three parts: direct sound, early reverberation, and late reverberation. It is known that speech transmission index (STI) is affected by late reverberation. However, it is still unclear how does late reverberation affect STI. This paper investigated relationship between late reverberation and STI, focused on modulation transfer function (MTF) corresponding to late reverberation using the following five RIR models: single echo, Schroeder RIR, generalized RIR, direct sound with late reverberation of Schroeder RIR, and direct sound with late reverberation of generalized RIR. As results, it was found that two parameters of RIR, $b$ and $T_R$, can control low-pass characteristics of MTF, where $b$ is the order of RIR and $T_R$ is reverberation time. It was also found that a parameter $tau$ can control band-elimination characteristics, where $tau$ is delay time. These results revealed that STI can be controlled as minimization and maximization by using these parameters. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Room impulse response / Late reverberation / Speech transmission index / Modulation transfer function / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 246, EA2016-33, pp. 13-18, Oct. 2016. | |
| Paper # | EA2016-33 | |
| Date of Issue | 2016-10-07 (EA) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2016-33 |
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| Conference Information | |
| Committee | EA ASJ-H IPSJ-MUS |
| Conference Date | 2016-10-14 - 2016-10-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Noto Omakidai (Nanao) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Psychological and Physiological Acoustics, Music Information Processing, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2016-10-EA-H-MUS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on speech transmission index using models of modulation transfer function |
| Sub Title (in English) | |
| Keyword(1) | Room impulse response |
| Keyword(2) | Late reverberation |
| Keyword(3) | Speech transmission index |
| Keyword(4) | Modulation transfer function |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuta Kashihara |
| 1st Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
| 2nd Author's Name | Masashi Unoki |
| 2nd Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
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| Speaker | Author-1 |
| Date Time | 2016-10-14 14:30:00 |
| Presentation Time | 150 minutes |
| Registration for | EA |
| Paper # | EA2016-33 |
| Volume (vol) | vol.116 |
| Number (no) | no.246 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2016-10-07 (EA) |
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